xref: /third_party/musl/libc-test/src/math/coshl.c (revision 570af302)
1#include <stdint.h>
2#include <stdio.h>
3#include "mtest.h"
4
5static struct l_l t[] = {
6#if LDBL_MANT_DIG == 53
7#include "crlibm/cosh.h"
8#include "ucb/cosh.h"
9#include "sanity/cosh.h"
10#include "special/cosh.h"
11
12#elif LDBL_MANT_DIG == 64
13#include "sanity/coshl.h"
14#include "special/coshl.h"
15
16#elif LDBL_MANT_DIG == 113
17#ifdef LD128_ENABLE
18#include "ld128/coshl.h"
19#endif
20
21#endif
22};
23
24int main(void)
25{
26	#pragma STDC FENV_ACCESS ON
27	long double y;
28	float d;
29	int e, i, err = 0;
30	struct l_l *p;
31
32	for (i = 0; i < sizeof t/sizeof *t; i++) {
33		p = t + i;
34
35		if (p->r < 0)
36			continue;
37		fesetround(p->r);
38		feclearexcept(FE_ALL_EXCEPT);
39		y = coshl(p->x);
40		e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
41
42		if (!checkexcept(e, p->e, p->r)) {
43			printf("%s:%d: bad fp exception: %s coshl(%La)=%La, want %s",
44				p->file, p->line, rstr(p->r), p->x, p->y, estr(p->e));
45			printf(" got %s\n", estr(e));
46			err++;
47		}
48		d = ulperrl(y, p->y, p->dy);
49		if (!checkulp(d, p->r)) {
50			printf("%s:%d: %s coshl(%La) want %La got %La ulperr %.3f = %a + %a\n",
51				p->file, p->line, rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy);
52			err++;
53		}
54	}
55	return !!err;
56}
57